A modern approach to macroeconomics. Williamson's Macroeconomics uses a thoroughly modern approach by showing readers how to build macroeconomic models from microeconomic principles. This approach helps to make the text consistent with the way macroeconomic research is conducted today. The fourth edition weaves the recent events of the financial crisis into the material.

MyLab或是Mastering系列是在线作业系统。Access Code Card是在线作业系统的访问码，是老师和学生课堂之外网络互动及交流的平台，个人是无法使用这个平台的。请读者注意您购买的这个ISBN是不带Access Code Card的。